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Axial flow pump online detecting bearing temperature change

A bearing temperature, axial flow pump technology, applied in non-variable-capacity pumps, components of pumping devices for elastic fluids, pumps, etc., can solve problems such as inability to measure temperature, inability to perform signal transmission, and intermittent temperature measurement.

Inactive Publication Date: 2017-06-20
TIANJIN ZHONGLAN PUMP
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

There are great defects in this approach. The handheld thermometer can only be used for periodic intermittent temperature measurement, and cannot be used for continuous online temperature measurement. The handheld thermometer can only measure the temperature on site, and cannot transmit signals. Send it to the central control room or other control terminals, so that when the bearing temperature exceeds the requirement, it cannot alarm at any time

Method used

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  • Axial flow pump online detecting bearing temperature change
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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] Such as figure 1 As shown in the structural diagram of the present invention, the present invention provides an axial flow pump for online detection of bearing temperature changes, including a motor casing 1, a pump shaft 2 and a bearing seat 3, and the pump shaft 2 is axially installed on the motor casing 1 Inside, the bearing seat 3 is fixed on the bottom of the motor housing 1 by bolts, a bearing 4 is installed between the bearing seat 3 and the pump shaft 2, and a mounting hole 5 is opened on the outer side of the bearing seat 3 , a temperature sensor 6 is arranged in the installation hole 5 . The mounting hole 5 is opened laterally on the outer side of the bearing seat 3 .

[0017] The model of the temperature sensor 6 is PT100. The output end of the temperature sensor 6 is connected to the control end of the axial flow pump. The temperature sensor 6 ...

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Abstract

The invention provides an axial flow pump for online detection of bearing temperature changes, which includes a motor casing, a pump shaft and a bearing seat, the pump shaft is axially installed in the motor casing, and the bearing seat is fixed to the motor casing by bolts At the bottom, a bearing is installed between the bearing seat and the pump shaft, an installation hole is opened on the outer side of the bearing seat, and a temperature sensor is arranged in the installation hole. The beneficial effect of the invention is that it can truly reflect the actual temperature of the bearing and continuously and uninterruptedly detect the bearing temperature online.

Description

technical field [0001] The invention belongs to the technical field of axial flow pumps, in particular to an axial flow pump for online detection of bearing temperature changes. Background technique [0002] Bearings are used to support rotor parts and withstand various loads acting on rotor parts. The bearings of the axial flow pump play a vital role in the safe and smooth operation of the axial flow pump. The bearing components of general axial flow pumps are composed of bearing housings, bearing caps, bearings, bearing glands and other parts. During the operation of the axial flow pump, the maximum temperature of the bearing is required to be no more than 75°C, and the bearing temperature must not exceed 35°C than the ambient temperature. During the use of existing axial flow pumps, a hand-held thermometer is generally used for intermittent temperature measurement in stages. There are great defects in this approach. The handheld thermometer can only be used for periodi...

Claims

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Application Information

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IPC IPC(8): F04D15/00F04D29/046F04D15/02
CPCF04D15/0088F04D15/0263F04D29/046
Inventor 晁代锋
Owner TIANJIN ZHONGLAN PUMP
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